Implantable biosensor
First Claim
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1. An implantable sensor comprising:
- a biosensor;
an integrated circuit operatively coupled with the biosensor to operate and receive data from the biosensor; and
a power receiver operatively coupled with the integrated circuit and configured to rectify RF energy incident on the implantable senor into DC power deliverable to the biosensor and the integrated circuit.
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Abstract
An implantable sensor includes a biosensor, integrated circuitry to operate the biosensor and an antenna to transmit data collected from the biosensor. The sensor does not include an internal power source and instead receives power from an external source in the form of RF energy. The RF energy is received by the sensor, rectified, and used as a DC source. The sensor is implanted in a subcutaneous location to allow the biosensor to measure desired characteristics.
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Citations
17 Claims
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1. An implantable sensor comprising:
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a biosensor;
an integrated circuit operatively coupled with the biosensor to operate and receive data from the biosensor; and
a power receiver operatively coupled with the integrated circuit and configured to rectify RF energy incident on the implantable senor into DC power deliverable to the biosensor and the integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An implantable sensor comprising:
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a biosensor;
means for controlling the biosensor; and
means for receiving RF energy from an external source, converting the energy to DC power, and powering the implantable sensor.
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12. A method comprising:
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injecting a capsule containing an un-powered biosensor subcutaneously into tissue;
placing an interrogator adjacent the tissue;
transmitting RF energy towards the capsule;
converting the RF energy into a DC power source within the capsule; and
utilizing the DC power source to power biosensor. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification